# Error Codes
All errors from the Konsentus Verify API will return a unique error code that correlates to the type of error that has occurred. On this page you can see a full list of the errors that are given by the Konsentus Verify API and what they mean.
crl_response_error 
 Certificate Revocation List revocation check failure.
ocsp_response_error 
 Online Certificate Status Protocol revocation check failure.
internal_error 
 An unexpected error occurred.
jurisdiction_missing 
 The jurisdiction is missing from the request. Check our API documentation to what values are required and make sure all requests include required fields.
jurisdiction_invalid 
 The jurisdiction is invalid. Make sure that only supported values are provided for each attribute. Refer to our API documentation to look up the type of data each attribute supports.
method_not_allowed 
 The HTTP request method is known by the server but is not supported by the target resource.
not_found 
 The specified resource could not be found.
parameter_invalid 
 One or more of the parameter values provided were an incorrect data type. Make sure that only supported values are provided for each attribute. Refer to our API documentation to look up the type of data each attribute supports.
parameter_missing 
 One or more required values are missing. Check our API documentation to see which values are required and make sure requests include all required parameters.
service_unavailable 
 The server is not ready to handle the request. Common causes are a server that is down for maintenance or that is overloaded.
certificate_encoding_invalid 
 The encoding of the eIDAS certificate in the request is not valid. Check our API documentation for details on valid encoding of the eIDAS certificate.
authentication_error 
Failed to successfully authenticate in the request. Check the credentials sent in the Authorization header.